TNY290PG

AC DC Converters, Offline Switchers Overview

The TNY290PG is an AC/DC converter from the TinySwitch-4 series, designed for offline flyback applications. It integrates a high-voltage power switch and control circuitry in an 8-PDIP package. The device supports a wide input voltage range of 85 VAC to 265 VAC. It delivers up to 36.5 W at 230 VAC and 28.5 W at 85-265 VAC. Key electrical parameters include a switching frequency between 124 kHz and 140 kHz, a maximum duty cycle of 67%, and a breakdown voltage of 725 V. The operating supply current is 930 uA, and it functions within a temperature range of -40°C to 150°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power switch with advanced control circuitry for compact design
• Includes comprehensive fault protection mechanisms such as overtemperature, overvoltage, and short-circuit protection
• Features energy-efficient operation with low no-load power consumption
• Supports universal AC input voltage ranges for global compatibility

AC DC Converters, Offline Switchers Applications

• General-purpose isolated AC/DC power supplies
• Battery chargers for consumer electronics
• Adapters for set-top boxes and digital televisions
• Power supplies for printers and DVD players

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific ordering suffix to ensure the correct package type and tape/reel or tube configuration required for your assembly process. Confirm RoHS compliance status and lead times directly with authorized distributors prior to placing orders. Ensure that the component matches the exact part number specifications for your design requirements.

AC DC Converters, Offline Switchers Selection Notes

Select the TNY290PG for designs requiring integrated power switching and control in a single package. Consider its thermal performance and the need for external components like the bypass capacitor for noise reduction. Evaluate the output power requirements against the specified limits at different input voltages to ensure adequate headroom for your application.

AC DC Converters, Offline Switchers Part Context

This component belongs to the TinySwitch-4 family from Power Integrations, which combines a power MOSFET with intelligent control logic. The TNY290PG specifically targets medium-power offline applications, offering a cost-effective solution for designers seeking to minimize component count and board space while maintaining high efficiency and reliability standards.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official substitution lists for compatible parts within the TinySwitch family. Verify pinout compatibility and electrical parameter equivalence before replacing the component in existing designs.